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.wifi-diagnosis .signal-bars{display:flex;align-items:end;gap:8px;height:58px;margin:18px 0}.wifi-diagnosis .signal-bars span{width:18px;border-radius:4px;background:#eb0012}.wifi-diagnosis .signal-bars span:nth-child(1){height:18px}.wifi-diagnosis .signal-bars span:nth-child(2){height:30px}.wifi-diagnosis .signal-bars span:nth-child(3){height:44px}.wifi-diagnosis .signal-bars span:nth-child(4){height:58px;background:#11141b}
.wifi-sim{border:1px solid var(--border);border-radius:8px;background:#fff;box-shadow:0 18px 42px rgba(17,20,27,.06);overflow:hidden}.sim-controls{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;padding:18px;border-bottom:1px solid var(--border);background:#fbfcfd}.sim-controls label{font-weight:800;color:#11141b}.sim-controls select{width:100%;margin-top:8px;padding:12px;border:1px solid var(--border);border-radius:6px;background:#fff;color:#11141b;font:inherit}.sim-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:0}.sim-house{--rx:50%;--ry:50%;--radius:260px;--house-image:url('/assets/generated/wifi-house-studio-wood.png');position:relative;min-height:620px;background:linear-gradient(135deg,#eef3f8,#fff);overflow:hidden}.sim-house:before{content:'';position:absolute;inset:34px;background:var(--house-image) center/contain no-repeat;filter:drop-shadow(0 30px 34px rgba(17,20,27,.18));opacity:.96}.sim-signal-canvas{position:absolute;inset:0;z-index:2;width:100%;height:100%;mix-blend-mode:normal;opacity:.9;pointer-events:none}.sim-coverage{display:none}.sim-router{position:absolute;left:var(--rx);top:var(--ry);transform:translate(-50%,-50%) rotateX(54deg) rotateZ(-12deg);z-index:10;width:58px;height:36px;border:0;border-radius:9px;background:linear-gradient(160deg,#242a36,#07080b);color:#fff;box-shadow:0 12px 22px rgba(17,20,27,.22);cursor:grab;font:inherit;font-weight:900}.sim-router:active{cursor:grabbing}.sim-router .antenna{position:absolute;top:-13px;width:4px;height:17px;border-radius:6px;background:#11141b;border:1px solid #eb0012}.sim-router .antenna.a{left:14px;transform:rotate(-12deg)}.sim-router .antenna.b{right:14px;transform:rotate(12deg)}.sim-router i{position:absolute;left:10px;right:10px;bottom:8px;height:5px;border-radius:10px;background:repeating-linear-gradient(90deg,#20d35a 0 5px,transparent 5px 10px)}.sim-router strong{display:none}.sim-router span:not(.antenna){display:none}.iso-room{position:absolute;z-index:6;width:20px;height:20px;min-height:0;padding:0;border:2px solid rgba(255,255,255,.9);border-radius:50%;background:rgba(212,175,55,.88);box-shadow:0 8px 18px rgba(17,20,27,.18);overflow:visible}.iso-room:before{content:'';position:absolute;inset:-7px;border-radius:50%;background:rgba(212,175,55,.12)}.iso-room b{display:none}.iso-room strong,.iso-room small,.iso-room em{display:none}.sim-room.good{background:#138a3d}.sim-room.mid{background:#d4af37}.sim-room.bad{background:#d01824}.sim-room.good:before{background:rgba(19,138,61,.14)}.sim-room.mid:before{background:rgba(212,175,55,.16)}.sim-room.bad:before{background:rgba(208,24,36,.14)}.room-living{left:104px;top:362px}.room-office{right:145px;top:115px}.room-bedroom{right:138px;top:330px}.room-bath{left:48%;top:145px}.room-kitchen{left:132px;top:165px}.room-yard{left:49%;bottom:68px;background:rgba(239,255,246,.78)}.sim-panel{border-left:1px solid var(--border);padding:24px;background:#fff}.sim-panel h3{margin-top:0}.sim-tip{padding:12px;border:1px solid #f2c8cc;background:#fff7f7;border-radius:8px;color:#9f2630}.sim-game{margin-top:18px;padding-top:18px;border-top:1px solid var(--border)}.sim-game>div{display:flex;justify-content:space-between;gap:12px;align-items:center;margin-bottom:12px}.sim-game span{font-weight:800;color:#11141b}.sim-game strong{color:#eb0012;font-size:22px}.sim-game button:disabled{opacity:.45;cursor:not-allowed;box-shadow:none}.sim-prize{margin-top:16px;display:grid;gap:10px}.sim-prize[hidden]{display:none}.sim-prize h4{margin:0}.sim-prize p{margin:0;color:var(--muted)}.sim-prize input{width:100%;padding:11px;border:1px solid var(--border);border-radius:6px;font:inherit}.sim-legend{display:flex;gap:12px;flex-wrap:wrap;margin:18px 0}.sim-legend span{display:flex;align-items:center;gap:7px;font-weight:800}.sim-legend i{display:inline-block;width:12px;height:12px;border-radius:50%}.sim-legend .good{background:#138a3d}.sim-legend .mid{background:#d4af37}.sim-legend .bad{background:#d01824}.wifi-frequency{display:grid;grid-template-columns:1fr;gap:14px;margin-top:18px}.wifi-frequency article{padding:16px;border:1px solid var(--border);border-radius:8px;background:#fff}.number-list{margin:18px 0 24px;padding-left:22px;color:var(--muted);line-height:1.75}.number-list li{margin-bottom:8px}

.sim-devices{position:absolute;inset:0;z-index:8;pointer-events:none}.sim-device{position:absolute;transform:translate(-50%,-50%);display:grid;place-items:center;min-width:28px;height:28px;padding:0 6px;border:2px solid #fff;border-radius:9px;background:#d4af37;color:#11141b;font-size:13px;font-weight:900;box-shadow:0 8px 18px rgba(17,20,27,.18)}.sim-device.good{background:#138a3d;color:#fff}.sim-device.mid{background:#d4af37;color:#11141b}.sim-device.bad{background:#d01824;color:#fff}.sim-device.device-tv{width:46px;height:30px;border-radius:5px;background:#11141b;color:#fff;border-color:#eb0012;box-shadow:0 9px 18px rgba(17,20,27,.24),inset 0 0 0 2px rgba(255,255,255,.12)}.sim-device.device-tv:after{content:'';position:absolute;left:14px;right:14px;bottom:-5px;height:5px;border-radius:0 0 5px 5px;background:#303642}.sim-device.device-tv b{display:block;font-size:9px;line-height:1;color:#eb0012;letter-spacing:0}.sim-device.device-tv small{display:block;font-size:9px;line-height:1;color:#fff;font-weight:900}.sim-device.device-tv.good{box-shadow:0 0 0 4px rgba(19,138,61,.16),0 9px 18px rgba(17,20,27,.24)}.sim-device.device-tv.mid{box-shadow:0 0 0 4px rgba(212,175,55,.18),0 9px 18px rgba(17,20,27,.24)}.sim-device.device-tv.bad{box-shadow:0 0 0 4px rgba(208,24,36,.16),0 9px 18px rgba(17,20,27,.24)}.sim-extender{position:absolute;left:var(--ex);top:var(--ey);transform:translate(-50%,-50%) rotateX(54deg) rotateZ(-12deg);z-index:10;width:42px;height:42px;border:0;border-radius:12px;background:linear-gradient(160deg,#fff,#dfe4ec);box-shadow:0 12px 22px rgba(17,20,27,.2);cursor:grab}.sim-extender:active{cursor:grabbing}.sim-extender i{position:absolute;left:50%;top:50%;width:18px;height:18px;border:3px solid #eb0012;border-left-color:transparent;border-bottom-color:transparent;border-radius:50%;transform:translate(-50%,-50%) rotate(-45deg)}.sim-extender strong{display:none}.sim-interference{position:absolute;left:var(--ix);top:var(--iy);z-index:7;transform:translate(-50%,-50%);width:76px;height:52px;border-radius:12px;background:rgba(17,20,27,.84);color:#fff;display:grid;place-items:center;box-shadow:0 0 0 18px rgba(17,20,27,.06),0 12px 24px rgba(17,20,27,.18);pointer-events:none}.sim-interference:before{content:'≋';position:absolute;top:-20px;left:50%;transform:translateX(-50%);color:#eb0012;font-size:24px;font-weight:900}.sim-interference span{font-size:11px;font-weight:900;text-align:center}.sim-lesson{margin:0 0 14px;padding:12px;border-left:4px solid #eb0012;background:#fbfcfd;color:#5f6b7a;border-radius:0 8px 8px 0}.coin-burst{position:absolute;inset:0;z-index:30;pointer-events:none;overflow:hidden}.coin-burst i{position:absolute;top:-24px;width:18px;height:18px;border-radius:50%;background:radial-gradient(circle at 35% 30%,#fff8c8 0 18%,#f5d04c 19% 62%,#b88912 63% 100%);box-shadow:0 3px 8px rgba(17,20,27,.18);animation:coin-fall 1.15s ease-in forwards}@keyframes coin-fall{0%{transform:translateY(0) rotate(0deg) scale(.7);opacity:0}12%{opacity:1}100%{transform:translateY(760px) rotate(calc(var(--spin) + 540deg)) scale(1);opacity:0}}


.sim-controls{display:none}.sim-layout{grid-template-columns:minmax(0,1fr) 330px}.sim-panel{position:relative}.sim-actions{display:grid;grid-template-columns:1fr;gap:10px;margin-top:14px}.sim-actions .btn{width:100%}.sim-house{min-height:660px}.sim-house:before{inset:28px}.sim-signal-canvas{opacity:.92}.sim-device.pending{background:#fff;border-color:#d4af37;box-shadow:0 0 0 7px rgba(212,175,55,.12),0 6px 13px rgba(17,20,27,.14)}.sim-intro{position:absolute;inset:0;z-index:35;display:grid;place-items:center;background:linear-gradient(120deg,rgba(255,255,255,.92),rgba(255,255,255,.72));backdrop-filter:blur(7px)}.sim-intro[hidden]{display:none}.sim-intro>div{width:min(420px,calc(100% - 36px));padding:24px;border:1px solid var(--border);border-radius:8px;background:#fff;box-shadow:0 24px 60px rgba(17,20,27,.16)}.sim-intro span{display:block;color:#eb0012;font-weight:900;text-transform:uppercase;font-size:12px;margin-bottom:8px}.sim-intro h3{margin:0 0 10px;font-size:28px;line-height:1.1}.sim-intro p{color:var(--muted);line-height:1.5;margin:0 0 18px}.sim-router,.sim-extender{z-index:12}.sim-tip{display:none}
.sim-interference{width:36px;height:36px;border-radius:50%;background:rgba(220,38,38,.84);box-shadow:0 0 0 16px rgba(220,38,38,.10),0 0 28px rgba(220,38,38,.28)}.sim-interference span{display:none}.sim-interference:before{content:'≋';top:50%;left:50%;transform:translate(-50%,-50%);color:#fff;font-size:22px}.sim-prize{padding:14px;border:1px solid #f2c8cc;border-radius:8px;background:#fff7f7}.sim-prize h4{color:#eb0012;font-size:22px}.sim-panel{min-height:100%;box-shadow:inset 1px 0 0 var(--border)}.sim-signal-canvas{opacity:1}


.sim-band-switch{display:grid;grid-template-columns:auto 1fr 1fr;gap:8px;align-items:center;margin:12px 0 14px;padding:8px;border:1px solid var(--border);border-radius:8px;background:#fbfcfd}.sim-band-switch[hidden]{display:none}.sim-band-switch span{font-size:12px;text-transform:uppercase;font-weight:900;color:#5f6b7a}.sim-band-switch button{border:1px solid var(--border);border-radius:6px;background:#fff;padding:10px 8px;font:inherit;font-weight:900;color:#11141b;cursor:pointer}.sim-band-switch button.active{background:#11141b;color:#fff;border-color:#11141b;box-shadow:0 8px 18px rgba(17,20,27,.16)}
.sim-signal-canvas{opacity:.86;mix-blend-mode:multiply}.sim-device{width:34px;height:24px;min-width:34px;padding:0;border:0;border-radius:0;background:transparent!important;box-shadow:none!important;display:block;transform:translate(-50%,-135%);filter:drop-shadow(0 5px 10px rgba(17,20,27,.22))}.sim-device:before{content:'';position:absolute;left:50%;bottom:-10px;width:1px;height:9px;background:rgba(17,20,27,.25)}.sim-device i{position:absolute;bottom:4px;width:5px;border-radius:3px 3px 1px 1px;background:#d01824;opacity:.22}.sim-device i:nth-child(1){left:4px;height:7px}.sim-device i:nth-child(2){left:11px;height:11px}.sim-device i:nth-child(3){left:18px;height:15px}.sim-device i:nth-child(4){left:25px;height:19px}.sim-device.level-1 i:nth-child(-n+1),.sim-device.level-2 i:nth-child(-n+2),.sim-device.level-3 i:nth-child(-n+3),.sim-device.level-4 i:nth-child(-n+4){opacity:1}.sim-device.level-2 i{background:#d4af37}.sim-device.level-3 i,.sim-device.level-4 i{background:#138a3d}.sim-device small{position:absolute;left:50%;top:-18px;transform:translateX(-50%);font-size:10px;line-height:1;font-weight:900;color:#11141b;background:rgba(255,255,255,.88);border:1px solid rgba(17,20,27,.08);border-radius:999px;padding:3px 6px}.sim-device.pending i{background:#d4af37;opacity:.32}.sim-device.pending small{display:none}.sim-device.good,.sim-device.mid,.sim-device.bad{color:inherit}.sim-device.device-tv,.sim-device.device-tv.good,.sim-device.device-tv.mid,.sim-device.device-tv.bad{width:34px;height:24px;background:transparent;color:inherit;border:0;box-shadow:none}.sim-device.device-tv:after,.sim-device.device-tv b{display:none}.sim-device.device-tv small{display:block;color:#11141b}.sim-interference{z-index:9}.sim-interference span{display:none}

@media(max-width:900px){.sim-layout{grid-template-columns:1fr}.sim-house{min-height:620px}.sim-panel{border-left:0;border-top:1px solid var(--border)}}

@media(max-width:900px){.sim-controls{grid-template-columns:1fr}.sim-layout{grid-template-columns:1fr}.sim-panel{border-left:0;border-top:1px solid var(--border)}.sim-house{min-height:690px}.sim-house:before{inset:34px 12px 120px}.iso-room{width:98px;min-height:52px;padding:8px}.room-living{left:18px;top:330px}.room-office{right:18px;top:76px}.room-bath{left:38%;top:175px}.room-bedroom{right:18px;top:300px}.room-kitchen{left:18px;top:92px}.room-yard{left:40%;bottom:28px}.sim-router{width:54px;height:34px}}



.sim-layout{display:block}.sim-game{position:relative;right:auto;top:auto;z-index:24;width:auto;margin:0;border:0;border-bottom:1px solid var(--border);border-radius:0;background:#fff;box-shadow:none;backdrop-filter:none;display:grid;grid-template-columns:minmax(180px,1fr) minmax(220px,1.4fr) auto;gap:12px;align-items:center}.sim-game>div:first-child{margin:0}.sim-summary{margin:0}.sim-lesson{margin:0;max-height:74px}.sim-band-switch{margin:0}.sim-actions{display:flex;gap:10px;margin:0}.sim-actions .btn{width:auto;white-space:nowrap}.sim-house{min-height:700px}.sim-house:before{inset:22px 34px 36px}.sim-room{display:none!important}.sim-router{background:linear-gradient(160deg,#ffffff 0%,#f7f8fb 46%,#d9dde6 100%);border:1px solid rgba(17,20,27,.16);border-bottom-color:rgba(17,20,27,.28);border-radius:10px;transform:translate(-50%,-50%) rotateX(58deg) rotateZ(-12deg) skewX(-5deg);box-shadow:0 15px 22px rgba(17,20,27,.24),0 4px 0 #b9bec8,inset 0 4px 8px rgba(255,255,255,.9),inset 0 -7px 10px rgba(17,20,27,.10)}.sim-router:before{content:'';position:absolute;left:6px;right:6px;bottom:-7px;height:8px;border-radius:0 0 9px 9px;background:#c7ccd5;transform:skewX(18deg);z-index:-1}.sim-router .antenna{background:#fff;border-color:#eb0012;box-shadow:0 2px 3px rgba(17,20,27,.18)}.sim-signal-canvas{opacity:.78}.sim-device{filter:drop-shadow(0 4px 8px rgba(17,20,27,.18))}@media(max-width:900px){.sim-game{grid-template-columns:1fr;padding:12px}.sim-actions{display:grid;grid-template-columns:1fr 1fr}.sim-house{min-height:720px}.sim-house:before{inset:18px 8px 72px}.sim-lesson{max-height:none}.sim-router{width:54px;height:34px}}
.sim-summary{margin:0 0 8px;color:#11141b;font-size:13px;line-height:1.35}.sim-summary:empty{display:none}.sim-game .sim-legend{margin:8px 0}.sim-game .notice{display:none}

.wifi-sim .sim-layout{display:block}.wifi-sim .sim-panel{display:none!important}.wifi-sim .sim-game{position:relative!important;right:auto!important;top:auto!important;left:auto!important;width:auto!important;margin:0!important;border:0!important;border-bottom:1px solid var(--border)!important;border-radius:0!important;background:#fff!important;box-shadow:none!important;backdrop-filter:none!important;display:grid!important;grid-template-columns:minmax(170px,1fr) minmax(260px,1.6fr) auto!important;gap:12px!important;align-items:center!important}.wifi-sim .sim-house{min-height:720px}.wifi-sim .sim-game>div:first-child{margin:0!important}.wifi-sim .sim-actions{display:flex!important;gap:10px!important;margin:0!important}.wifi-sim .sim-actions .btn{width:auto!important;white-space:nowrap}.wifi-sim .sim-lesson{margin:0!important;max-height:80px!important;overflow:auto}.wifi-sim .sim-summary{white-space:normal;overflow:visible}@media(max-width:900px){.wifi-sim .sim-game{grid-template-columns:1fr!important;padding:12px!important}.wifi-sim .sim-actions{display:grid!important;grid-template-columns:1fr 1fr!important}.wifi-sim .sim-house{min-height:760px}.wifi-sim .sim-house:before{inset:120px 8px 120px}}

.wifi-sim .sim-router{width:74px!important;height:52px!important;background:transparent!important;border:0!important;box-shadow:none!important;transform:translate(-50%,-50%) rotateZ(-10deg)!important;overflow:visible}.wifi-sim .sim-router:before,.wifi-sim .sim-router>i{display:none!important}.wifi-sim .sim-router strong{display:none}.router-iso-body{position:absolute;left:50%;top:50%;width:72px;height:44px;transform:translate(-50%,-50%) rotateX(58deg) rotateZ(-16deg);transform-style:preserve-3d;filter:drop-shadow(0 16px 16px rgba(17,20,27,.22))}.router-iso-top{position:absolute;inset:0;border-radius:13px 13px 9px 9px;background:linear-gradient(145deg,#fff 0%,#f6f8fb 48%,#dce2ea 100%);border:1px solid rgba(17,20,27,.16);box-shadow:inset 0 5px 10px rgba(255,255,255,.95),inset 0 -7px 12px rgba(17,20,27,.10)}.router-iso-front{position:absolute;left:8px;right:8px;bottom:-8px;height:12px;border-radius:0 0 9px 9px;background:linear-gradient(180deg,#cdd4dd,#aeb7c2);transform:skewX(22deg)}.router-iso-front i{display:block!important;position:absolute;top:3px;width:7px;height:4px;border-radius:999px;background:#16a34a;box-shadow:0 0 5px rgba(22,163,74,.55)}.router-iso-front i:nth-child(1){left:14px}.router-iso-front i:nth-child(2){left:25px}.router-iso-front i:nth-child(3){left:36px}.router-iso-front i:nth-child(4){left:47px}.router-iso-side{position:absolute;right:-8px;top:8px;width:10px;height:31px;border-radius:0 8px 8px 0;background:linear-gradient(90deg,#c2cad4,#edf1f5);transform:skewY(31deg)}.router-iso-ant{position:absolute;top:-20px;width:5px;height:25px;border-radius:999px;background:linear-gradient(180deg,#fff,#cfd5dd);border:1px solid rgba(235,0,18,.7);box-shadow:0 2px 4px rgba(17,20,27,.18)}.router-iso-ant.a{left:20px;transform:rotate(-14deg)}.router-iso-ant.b{right:18px;transform:rotate(14deg)}
.wifi-sim{position:relative}.sim-layout{display:block}.sim-panel{display:none!important}.sim-house{min-height:720px}.sim-house:before{inset:42px 34px 36px}.sim-game{position:absolute;right:18px;top:18px;z-index:24;width:min(340px,calc(100% - 36px));margin:0;padding:14px;border:1px solid rgba(222,226,232,.86);border-radius:8px;background:rgba(255,255,255,.92);box-shadow:0 18px 40px rgba(17,20,27,.14);backdrop-filter:blur(8px)}.sim-game>div:first-child{margin-bottom:8px}.sim-lesson{font-size:13px;line-height:1.35;margin-bottom:10px;max-height:110px;overflow:auto}.sim-actions{grid-template-columns:1fr 1fr}.sim-band-switch{margin:8px 0 10px}.sim-router{width:62px;height:38px;background:linear-gradient(160deg,#fff,#dfe4ec);border:1px solid rgba(17,20,27,.14);box-shadow:0 13px 24px rgba(17,20,27,.22),inset 0 -5px 8px rgba(17,20,27,.06)}.sim-router .antenna{background:#f8fafc;border-color:#eb0012}.sim-router i{left:12px;right:12px;bottom:9px;height:5px;background:repeating-linear-gradient(90deg,#16a34a 0 6px,transparent 6px 11px)}.sim-signal-canvas{opacity:.95;mix-blend-mode:normal}.sim-device{z-index:18}.sim-device.pending small{display:block}.sim-device.pending i{opacity:.18}.sim-device.level-0 i{background:#d01824;opacity:.18}.sim-device.level-1 i:nth-child(-n+1){opacity:1}.sim-device.level-0 small,.sim-device.level-1 small{color:#d01824}.sim-device.level-2 small{color:#9a6b00}.sim-device.level-3 small,.sim-device.level-4 small{color:#138a3d}.sim-prize{max-height:300px;overflow:auto}@media(max-width:900px){.sim-house{min-height:780px}.sim-house:before{inset:120px 8px 130px}.sim-game{top:10px;left:10px;right:10px;width:auto}.sim-actions{grid-template-columns:1fr}.sim-device{transform:translate(-50%,-125%) scale(.9)}.sim-router{width:56px;height:35px}}

.wifi-sim .sim-meter{position:relative;height:12px;border-radius:999px;background:#edf0f4;overflow:visible;box-shadow:inset 0 1px 3px rgba(17,20,27,.12)}.wifi-sim .sim-meter span{display:block;height:100%;width:0;border-radius:999px;background:linear-gradient(90deg,#d01824 0%,#d4af37 48%,#138a3d 100%);transition:width .18s ease}.wifi-sim .sim-meter i{position:absolute;top:-5px;width:3px;height:22px;border-radius:3px;background:#11141b;box-shadow:0 0 0 3px rgba(255,255,255,.75)}.wifi-sim .sim-actions [data-sim-test]{display:none!important}.wifi-sim .sim-actions{justify-content:flex-end}.wifi-sim .sim-router .router-iso-front i{display:block!important}.wifi-sim .sim-router .router-iso-body{display:block!important}.wifi-sim .sim-router{z-index:30!important}.wifi-sim .sim-game{grid-template-columns:minmax(170px,260px) minmax(220px,1fr) minmax(180px,auto)!important}.wifi-sim .sim-summary{font-weight:600;color:#364152}.wifi-sim .sim-house:before{filter:drop-shadow(0 30px 34px rgba(17,20,27,.16)) saturate(1.04)}@media(max-width:900px){.wifi-sim .sim-game{grid-template-columns:1fr!important}.wifi-sim .sim-actions{justify-content:stretch}.wifi-sim .sim-actions .btn{width:100%!important}}